Section II. Installation &Wiring
13
2.4 Main circuit terminals
2.4.1 HV610C main circuit terminals
1) Main loop terminals below 22kw:
2) 30kw / 37kw frequency inverter main circuit terminal:
3) Main loop terminal of frequency inverter of 45kw and above:
Description of main circuit terminal of three-phase frequency inverter
Terminal
marking
Name
Description
R,S,T
Three-phase
power
supply
input terminal
Connection point for AC input three-
phase power supply
㊀
,
㊉
Negative and positive terminals
of DC bus
Common DC bus input point
㊉
,PB
Brake
resistor
connection
terminal
Brake resistance connection point
㊉
,P+
DC reactor connection terminal
U,V,W
frequency
inverter
output
terminal
Connecting three-phase motor
Earth terminal
Earth terminal